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require "cases/helper"
require 'models/topic'
require 'bcrypt'
class SerializedAttributeTest < ActiveRecord::TestCase
fixtures :topics
MyObject = Struct.new :attribute1, :attribute2
def teardown
super
Topic.serialize("content")
end
def test_list_of_serialized_attributes
assert_equal %w(content), Topic.serialized_attributes.keys
end
def test_serialized_attributes_are_class_level_settings
topic = Topic.new
assert_raise(NoMethodError) { topic.serialized_attributes = [] }
assert_deprecated { topic.serialized_attributes }
end
def test_serialized_attribute
Topic.serialize("content", MyObject)
myobj = MyObject.new('value1', 'value2')
topic = Topic.create("content" => myobj)
assert_equal(myobj, topic.content)
topic.reload
assert_equal(myobj, topic.content)
end
def test_serialized_attribute_init_with
topic = Topic.allocate
topic.init_with('attributes' => { 'content' => '--- foo' })
assert_equal 'foo', topic.content
end
def test_serialized_attribute_in_base_class
Topic.serialize("content", Hash)
hash = { 'content1' => 'value1', 'content2' => 'value2' }
important_topic = ImportantTopic.create("content" => hash)
assert_equal(hash, important_topic.content)
important_topic.reload
assert_equal(hash, important_topic.content)
end
# This test was added to fix GH #4004. Obviously the value returned
# is not really the value 'before type cast' so we should maybe think
# about changing that in the future.
def test_serialized_attribute_before_type_cast_returns_unserialized_value
Topic.serialize :content, Hash
t = Topic.new(:content => { :foo => :bar })
assert_equal({ :foo => :bar }, t.content_before_type_cast)
t.save!
t.reload
assert_equal({ :foo => :bar }, t.content_before_type_cast)
end
def test_serialized_attribute_calling_dup_method
Topic.serialize :content, JSON
t = Topic.new(:content => { :foo => :bar }).dup
assert_equal({ :foo => :bar }, t.content_before_type_cast)
end
def test_serialized_attribute_declared_in_subclass
hash = { 'important1' => 'value1', 'important2' => 'value2' }
important_topic = ImportantTopic.create("important" => hash)
assert_equal(hash, important_topic.important)
important_topic.reload
assert_equal(hash, important_topic.important)
assert_equal(hash, important_topic.read_attribute(:important))
end
def test_serialized_time_attribute
myobj = Time.local(2008,1,1,1,0)
topic = Topic.create("content" => myobj).reload
assert_equal(myobj, topic.content)
end
def test_serialized_string_attribute
myobj = "Yes"
topic = Topic.create("content" => myobj).reload
assert_equal(myobj, topic.content)
end
def test_nil_serialized_attribute_without_class_constraint
topic = Topic.new
assert_nil topic.content
end
def test_nil_not_serialized_without_class_constraint
assert Topic.new(:content => nil).save
assert_equal 1, Topic.where(:content => nil).count
end
def test_nil_not_serialized_with_class_constraint
Topic.serialize :content, Hash
assert Topic.new(:content => nil).save
assert_equal 1, Topic.where(:content => nil).count
end
def test_serialized_attribute_should_raise_exception_on_save_with_wrong_type
Topic.serialize(:content, Hash)
topic = Topic.new(:content => "string")
assert_raise(ActiveRecord::SerializationTypeMismatch) { topic.save }
end
def test_should_raise_exception_on_serialized_attribute_with_type_mismatch
myobj = MyObject.new('value1', 'value2')
topic = Topic.new(:content => myobj)
assert topic.save
Topic.serialize(:content, Hash)
assert_raise(ActiveRecord::SerializationTypeMismatch) { Topic.find(topic.id).content }
end
def test_serialized_attribute_with_class_constraint
settings = { "color" => "blue" }
Topic.serialize(:content, Hash)
topic = Topic.new(:content => settings)
assert topic.save
assert_equal(settings, Topic.find(topic.id).content)
end
def test_serialized_default_class
Topic.serialize(:content, Hash)
topic = Topic.new
assert_equal Hash, topic.content.class
assert_equal Hash, topic.read_attribute(:content).class
topic.content["beer"] = "MadridRb"
assert topic.save
topic.reload
assert_equal Hash, topic.content.class
assert_equal "MadridRb", topic.content["beer"]
end
def test_serialized_no_default_class_for_object
topic = Topic.new
assert_nil topic.content
end
def test_serialized_boolean_value_true
topic = Topic.new(:content => true)
assert topic.save
topic = topic.reload
assert_equal topic.content, true
end
def test_serialized_boolean_value_false
topic = Topic.new(:content => false)
assert topic.save
topic = topic.reload
assert_equal topic.content, false
end
def test_serialize_with_coder
coder = Class.new {
# Identity
def load(thing)
thing
end
# base 64
def dump(thing)
[thing].pack('m')
end
}.new
Topic.serialize(:content, coder)
s = 'hello world'
topic = Topic.new(:content => s)
assert topic.save
topic = topic.reload
assert_equal [s].pack('m'), topic.content
end
def test_serialize_with_bcrypt_coder
crypt_coder = Class.new {
def load(thing)
return unless thing
BCrypt::Password.new thing
end
def dump(thing)
BCrypt::Password.create(thing).to_s
end
}.new
Topic.serialize(:content, crypt_coder)
password = 'password'
topic = Topic.new(:content => password)
assert topic.save
topic = topic.reload
assert_kind_of BCrypt::Password, topic.content
assert_equal(true, topic.content == password, 'password should equal')
end
end
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